MHT CET202526 Apr 2025Evening ShiftPhysicsThermodynamicsActual
In the thermodynamic processes, which of the following statements is NOT true?
Options
- AIn an isothermal process, the temperature remains constant.
- BIn an adiabatic process, the system is insulated from surroundings.
- CIn an isochoric process, pressure remains constant.
- DIn an adiabatic process, PV ^ = constant.
Correct answer
C. In an isochoric process, pressure remains constant.
Step-by-step solution
The analysis focuses on identifying the false statement among thermodynamic process definitions. Isothermal processes maintain constant temperature ( T = constant ), confirming truth for option A. Adiabatic processes involve no heat exchange ( Q = 0 ), validating option B. Isochoric processes are defined by constant volume ( V = constant ), whereas constant pressure defines isobaric processes ( P = constant ). Option C incorrectly conflates these, making it false. For adiabatic processes involving ideal gases, PV^